/* ============================================================
   联政通办管理系统 · 全站样式
   主题色板：主色 #155EEF  背景 #F4F8FF  浅 #EAF1FF
   ============================================================ */
:root{
  --c-primary:#155EEF;
  --c-primary-dark:#0e46b8;
  --c-primary-light:#eaf1ff;
  --c-bg:#f4f8ff;
  --c-ink:#16213e;
  --c-ink-2:#44557a;
  --c-ink-3:#7c8db0;
  --c-line:#e4ebf7;
  --c-white:#fff;
  --c-green:#16a34a;
  --c-red:#dc2626;
  --c-amber:#d97706;
  --r-sm:8px; --r-md:12px; --r-lg:18px;
  --shadow-sm:0 2px 8px rgba(22,33,62,.06);
  --shadow-md:0 10px 30px rgba(21,94,239,.12);
  --shadow-lg:0 20px 50px rgba(21,94,239,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;background:var(--c-bg);color:var(--c-ink);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--c-primary);text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;height:66px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo img{height:38px;width:auto}
.logo-text{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:.5px}
.logo-text::before{content:"";display:inline-block;width:8px;height:20px;background:var(--c-primary);border-radius:3px;margin-right:8px;vertical-align:-2px}
.main-nav{flex:1}
.main-nav .nav{display:flex;gap:4px}
.main-nav .nav>li{position:relative}
.main-nav .nav>li>a{display:block;padding:10px 16px;font-size:15px;color:var(--c-ink-2);border-radius:8px;transition:.2s}
.main-nav .nav>li>a:hover,.main-nav .nav>li.active>a{color:var(--c-primary);background:var(--c-primary-light)}
.caret{display:inline-block;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid currentColor;margin-left:5px;vertical-align:2px}
.main-nav .nav .dropdown{position:absolute;top:100%;left:0;min-width:170px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;padding:6px}
.has-child:hover>.dropdown,.has-child:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.main-nav .nav .dropdown li a{display:block;padding:9px 14px;font-size:14px;color:var(--c-ink-2);border-radius:6px}
.main-nav .nav .dropdown li a:hover{background:var(--c-primary-light);color:var(--c-primary)}
.header-actions{display:flex;gap:10px;flex-shrink:0}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:4px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--c-ink);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:10px 22px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s;text-align:center}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-light)}
.btn-light{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-light:hover{background:var(--c-primary-light)}
.btn-lg{padding:13px 30px;font-size:16px;border-radius:10px}
.btn-block{display:block;width:100%}
.btn-green{background:var(--c-green);color:#fff}
.btn-red{background:var(--c-red);color:#fff}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-ghost-sm{background:transparent;color:var(--c-primary);border-color:var(--c-primary);padding:5px 12px;font-size:13px;border-radius:6px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,#155eef 0%,#4f8bff 60%,#8ab4ff 100%);color:#fff;padding:88px 0 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.12)}
.hero::before{content:"";position:absolute;left:-80px;bottom:-140px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);padding:6px 14px;border-radius:100px;font-size:13px;margin-bottom:18px}
.hero h1{font-size:42px;font-weight:800;line-height:1.3;margin-bottom:18px}
.hero p{font-size:17px;opacity:.94;margin-bottom:28px;max-width:640px}
.hero .btn{margin-right:12px}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section-head{text-align:center;margin-bottom:44px}
.section-head .eyebrow{display:inline-block;font-size:13px;color:var(--c-primary);font-weight:700;letter-spacing:1px;margin-bottom:8px}
.section-head h2{font-size:30px;font-weight:800;margin-bottom:10px}
.section-head p{color:var(--c-ink-3);font-size:15px;max-width:600px;margin:0 auto}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.card-icon{width:52px;height:52px;border-radius:14px;background:var(--c-primary-light);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px}
.card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.card p{font-size:14px;color:var(--c-ink-2)}

/* ---------- 统计条 ---------- */
.stats{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px 20px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;box-shadow:var(--shadow-sm)}
.stat{text-align:center;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0}
.stat .num{font-size:34px;font-weight:800;color:var(--c-primary)}
.stat .lab{font-size:14px;color:var(--c-ink-3);margin-top:4px}

/* ---------- 产品套餐 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);position:relative;transition:.25s}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.price-card.featured{border:2px solid var(--c-primary);box-shadow:var(--shadow-lg)}
.price-card.featured::before{content:attr(data-badge);position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:100px}
.price-name{font-size:19px;font-weight:800}
.price-sub{font-size:13px;color:var(--c-ink-3);margin:6px 0 16px}
.price-val{font-size:34px;font-weight:800;color:var(--c-primary);margin-bottom:18px}
.price-val small{font-size:14px;font-weight:400;color:var(--c-ink-3)}
.price-list{margin-bottom:24px;flex:1}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);padding:7px 0}
.price-list li::before{content:"✓";color:var(--c-green);font-weight:700;flex-shrink:0}

/* ---------- 帮助中心 ---------- */
.help-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px}
.help-cat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;text-align:center;cursor:pointer;transition:.2s}
.help-cat:hover,.help-cat.active{border-color:var(--c-primary);background:var(--c-primary-light)}
.help-cat .ico{font-size:26px;margin-bottom:8px}
.help-cat .t{font-weight:700;font-size:15px}
.help-cat .n{font-size:12px;color:var(--c-ink-3);margin-top:2px}
.article-list .article-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;margin-bottom:14px;transition:.2s}
.article-item:hover{box-shadow:var(--shadow-sm);border-color:var(--c-primary)}
.article-item a{color:var(--c-ink);font-size:16px;font-weight:600;display:block;margin-bottom:6px}
.article-item .meta{font-size:13px;color:var(--c-ink-3)}
.article-view{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px}
.article-view h1{font-size:26px;margin-bottom:12px}
.article-view .meta{color:var(--c-ink-3);font-size:13px;border-bottom:1px solid var(--c-line);padding-bottom:16px;margin-bottom:22px}
.article-body{font-size:15px;color:var(--c-ink-2);line-height:1.9}
.article-body h2,.article-body h3,.article-body h4{margin:20px 0 10px;color:var(--c-ink)}
.article-body p{margin:10px 0}
.article-body ul,.article-body ol{margin:10px 0 10px 24px}
.article-body img{border-radius:var(--r-md);margin:14px 0}
.article-body code{background:var(--c-primary-light);padding:2px 6px;border-radius:5px;font-size:13px;color:var(--c-primary-dark)}
.article-body blockquote{border-left:4px solid var(--c-primary);background:var(--c-primary-light);padding:12px 16px;border-radius:0 8px 8px 0;margin:14px 0;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden}
.faq-q{padding:16px 20px;cursor:pointer;font-weight:600;font-size:15px;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:"＋";color:var(--c-primary);font-size:18px;transition:.2s}
.faq-item.open .faq-q::after{content:"－"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--c-ink-2);font-size:14px}
.faq-a-inner{padding:0 20px 18px}

/* ---------- 表单 ---------- */
.auth-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:60px 20px}
.auth-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);padding:34px}
.auth-card h1{font-size:22px;text-align:center;margin-bottom:6px}
.auth-sub{text-align:center;color:var(--c-ink-3);font-size:13px;margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:14px;color:var(--c-ink-2);margin-bottom:6px}
.form-input{width:100%;padding:11px 14px;border:1px solid var(--c-line);border-radius:8px;font-size:14px;transition:.2s;background:#fff;color:var(--c-ink)}
.form-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(21,94,239,.12)}
textarea.form-input{resize:vertical;min-height:90px}
select.form-input{appearance:auto}
.input-row{display:flex;gap:10px}
.input-row .form-input{flex:1}
.captcha-img{height:42px;border:1px solid var(--c-line);border-radius:8px;cursor:pointer;width:120px}
.form-tip{font-size:12px;color:var(--c-ink-3);margin-top:5px}
.form-actions{margin-top:20px}
.auth-links{display:flex;justify-content:space-between;margin-top:14px;font-size:13px}

/* ---------- 页面标题 ---------- */
.page-hero{background:var(--c-primary-light);padding:46px 0;border-bottom:1px solid var(--c-line)}
.page-hero h1{font-size:28px;font-weight:800;margin-bottom:6px}
.page-hero p{color:var(--c-ink-2)}

/* ---------- 用户中心布局 ---------- */
.uc-wrap{display:flex;gap:24px;padding:34px 0 60px}
.uc-sidebar{width:230px;flex-shrink:0;align-self:flex-start;position:sticky;top:84px;height:auto}
.uc-wrap > .uc-card{width:230px;flex-shrink:0;align-self:flex-start;position:sticky;top:84px;height:auto}
.uc-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.uc-user{padding:24px 20px;background:linear-gradient(135deg,#155eef,#4f8bff);color:#fff;text-align:center}
.uc-avatar{width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 10px;font-weight:700}
.uc-user .name{font-weight:700}
.uc-user .mail{font-size:12px;opacity:.85}
.uc-menu{padding:8px 0}
.uc-menu a{display:flex;align-items:center;gap:10px;padding:12px 22px;color:var(--c-ink-2);font-size:14px;transition:.2s;border-left:3px solid transparent}
.uc-menu a:hover{background:var(--c-primary-light);color:var(--c-primary)}
.uc-menu a.active{background:var(--c-primary-light);color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600}
.uc-main{flex:1;min-width:0}
.uc-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px}
.uc-panel h2{font-size:19px;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.uc-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.uc-stat{background:var(--c-primary-light);border-radius:var(--r-md);padding:20px;text-align:center}
.uc-stat .n{font-size:26px;font-weight:800;color:var(--c-primary)}
.uc-stat .l{font-size:13px;color:var(--c-ink-2);margin-top:2px}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md)}
table.data{width:100%;border-collapse:collapse;min-width:600px}
table.data th,table.data td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--c-line);white-space:nowrap}
table.data th{background:var(--c-primary-light);color:var(--c-ink);font-weight:700;font-size:13px}
table.data tr:last-child td{border-bottom:0}
table.data tr:hover td{background:#f8fbff}

/* ---------- 标签 ---------- */
.tag{display:inline-block;padding:2px 10px;border-radius:100px;font-size:12px;font-weight:600}
.tag-green{background:#dcfce7;color:#15803d}
.tag-red{background:#fee2e2;color:#b91c1c}
.tag-gray{background:#f1f5f9;color:#64748b}
.tag-blue{background:#dbeafe;color:#1d4ed8}
.tag-amber{background:#fef3c7;color:#b45309}

/* ---------- 分页 ---------- */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:24px}
.pagination a,.pagination span{display:inline-block;min-width:38px;padding:8px 12px;border-radius:8px;background:#fff;border:1px solid var(--c-line);font-size:14px;text-align:center}
.pagination a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pagination .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 提示框 ---------- */
.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px}
.alert-green{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.alert-red{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.alert-blue{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}
.alert-amber{background:#fffbeb;color:#b45309;border:1px solid #fde68a}

/* ---------- 模态框 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(22,33,62,.5);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:var(--r-lg);width:100%;max-width:480px;max-height:90vh;overflow:auto;box-shadow:var(--shadow-lg);padding:26px}
.modal h3{font-size:18px;margin-bottom:18px}
.modal .form-group{margin-bottom:14px}

/* ---------- 后台布局 ---------- */
.admin-body{background:#f4f7fb}
.admin-layout{display:flex;min-height:100vh}
.admin-side{width:230px;flex-shrink:0;background:#16213e;color:#fff;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin-brand{padding:20px 22px;font-size:17px;font-weight:800;border-bottom:1px solid rgba(255,255,255,.12);display:flex;align-items:center;gap:8px}
.admin-menu{padding:12px 0}
.admin-menu .group{color:#8ea0c4;font-size:12px;padding:16px 22px 6px;letter-spacing:1px}
.admin-menu a{display:flex;align-items:center;gap:10px;padding:11px 22px;color:#c3cde4;font-size:14px;transition:.2s}
.admin-menu a:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-menu a.active{background:var(--c-primary);color:#fff}
.admin-main{flex:1;min-width:0;padding:24px}
.admin-top{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:14px 20px;margin-bottom:20px}
.admin-top h2{font-size:18px}
.admin-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.admin-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;margin-bottom:20px}
.admin-card h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}

/* ---------- 统计卡(后台) ---------- */
.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}
.dash-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;display:flex;align-items:center;gap:16px}
.dash-card .ico{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}
.dash-card .val{font-size:26px;font-weight:800}
.dash-card .lab{font-size:13px;color:var(--c-ink-3)}

/* ---------- 步骤条(购买/安装) ---------- */
.stepper{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:26px}
.step{display:flex;align-items:center;gap:8px;color:var(--c-ink-3);font-size:14px}
.step .no{width:28px;height:28px;border-radius:50%;background:var(--c-line);color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;font-weight:700}
.step.active{color:var(--c-primary);font-weight:600}
.step.active .no{background:var(--c-primary);color:#fff}
.step-line{width:46px;height:2px;background:var(--c-line)}

/* ---------- 页脚 ---------- */
.site-footer{background:#16213e;color:#b6c1da;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding:50px 20px}
.footer-brand .footer-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.footer-desc{font-size:14px;opacity:.85;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul li{margin-bottom:8px}
.footer-col a{color:#b6c1da;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;font-size:13px}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:60px 20px;color:var(--c-ink-3)}
.empty .ico{font-size:52px;margin-bottom:12px;opacity:.5}
.empty p{font-size:14px}

/* ---------- 响应式 ---------- */
@media(max-width:992px){
  .g4,.dash-grid,.stats{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .help-cats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .uc-wrap{flex-direction:column}
  .uc-sidebar{width:100%}
  .uc-wrap > .uc-card{width:100%;position:static}
  .uc-menu{display:flex;flex-wrap:wrap}
  .uc-menu a{border-left:0;border-bottom:3px solid transparent;padding:10px 16px}
  .uc-menu a.active{border-left:0;border-bottom-color:var(--c-primary)}
  .admin-layout{flex-direction:column}
  .admin-side{width:100%;height:auto;position:static}
  .admin-menu{display:flex;flex-wrap:wrap}
}
@media(max-width:640px){
  .hero h1{font-size:30px}
  .hero{padding:60px 0}
  .section{padding:44px 0}
  .g3,.g2,.g4{grid-template-columns:1fr}
  .stats,.dash-grid,.uc-stats{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  .main-nav{position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--c-line);display:none;padding:10px 20px 16px}
  .main-nav.open{display:block}
  .main-nav .nav{flex-direction:column}
  .main-nav .nav .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:3px solid var(--c-primary-light);margin-left:16px;min-width:0}
  .header-actions{display:none}
}